Finding the Fourth Proportional to 125,572.24, 188,117.76 and 121,351.33
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Solution
The fourth proportional to 125,572.24, 188,117.76 and 121,351.33 is: 181,794.48
Step by Step Solution
- Step 1: Write the proportion equation
125,572.24 : 188,117.76 = 121,351.33 : x - Step 2: Convert to fraction form
125,572.24/188,117.76 = 121,351.33/x - Step 3: Cross multiply
125,572.24x = 188,117.76 × 121,351.33 - Step 4: Simplify right side
125,572.24x = 22,828,340,372.62 - Step 5: Solve for x
x = 22,828,340,372.62/125,572.24 - Step 6: Final answer
x = 181,794.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.